vivo 3.8 java
Vivo第一题生产手机
public static int solution(int n){
int i = 1;
int sum = 0;
while(n-i>0){
sum+=i*i;
n = n-i;
i++;
}
sum+=n*i;
return sum;
} Vivo第二题最小正整数m public static int solution(int n){
if(n<10){
return n;
}
for (int i = 9; i >0 ; i--) {
if(n%i==0){
return solution(n/i)*10+i;
}
}
return -1;
}